Studies on Long-term Population Projection for Regions and the Mutual Relationship between Population and Economic Fluctuations

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First, I conducted causal analysis of out-migration from Osaka prefecture to other 46 prefectures. The results indicate that transportation distance and abundance of nature had a negative effect on demographic shift, while substantiality of life safety net and old-age welfare services a positive one. In addition, this tendency is very remarkable for the old-age generation. Next, I investigated the efficiency and the redundancy on production factors on 24 manufacturing industries by prefecture. The results show the following : Western Japan industries perform relatively efficiently, large amounts of redundancy on productive factors exist in key industries, and so do the regions, including Kanto, whose economic scales are large.